General description The 5-Piece Countersink Drill Bit Set is designed for precision drilling and countersinking. It includes high-speed steel (HSS) M2 tapered bits that provide durability and efficiency in various woodworking tasks. The set features adjustable depth stops for both pilot drills and counterbores, ensuring accurate drilling results. Technical specifications Material: High-speed steel (HSS) M2 Sizes: 1/8 Inch, 9/64 Inch, 5/32 Inch, 11/64 Inch, 3/16 Inch Counter-bore sizes: 3/8 Inch and 1/2 Inch with 82° angle Shank: 1/4 Inch hex shank Recommended speed: Approximately 200 RPM Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with most drills Includes a wrench for adjusting depth stops Plastic collar to reduce marring Usage Ideal for working with natural woods, chipboard, man-made boards, plywood, MDF, decking, drywall, and various plastic boards For best results, operate the countersink at slow speeds Other information Color: Blue Package